The 10 best day-game teams in baseball history, and the teams with the biggest differential between day-and-night success, have two things in common: first, they are generally very strong teams, with good pitching but dominant, veteran offenses—offenses that hit better during the day than at night.

And then there is the relentless day-and-night news agenda, the morale-sapping personal scrutiny and the basic level of political debate in which, at Westminster, "calm down, dear" can be hailed as a side-splitting example of Commons repartee.

The satellite will be able to track launches, debris, satellites, and other objects without being "encumbered by terrestrial limitations of weather, day-and-night restrictions," said Lt.Col. Robert Erickson, SBSS Space Situational Awareness Squadron commander.